Credit card refers to the credit card that the issuing bank gives the cardholder a certain credit limit, and the cardholder can spend first and then repay. Credit card is a real credit card, which has the functions of credit consumption, transfer settlement and cash deposit and withdrawal.

Credit cards have the following characteristics: first consume and then repay, enjoy an interest-free repayment period (up to 56 days), have a minimum repayment amount, and customers can repay by installments in case of overdraft.

Quasi-credit card refers to a credit card that the cardholder must first deposit a certain amount of reserve fund according to the requirements of the issuing bank, and when the balance of quasi-credit card in the reserve fund account is insufficient to pay, it can be overdrawn within the credit limit stipulated by the issuing bank.

2. Debit card refers to a bank card without overdraft function that can be consumed (or cashed out) after deposit. According to their different functions, it can be divided into debit cards (including savings cards), special cards and stored-value cards.

Debit card is a credit tool with the functions of transfer settlement, cash deposit and withdrawal, shopping and consumption. It also has many functions such as transfer, fund trading, stock trading and payment, and also provides many value-added services. Debit cards can also be withdrawn by ATM transfer and cannot be overdrawn. The amount in the account pays interest according to the current deposit.

3. Savings card is a financial transaction card issued by the bank to provide financial services for depositors, which belongs to a kind of debit card. Its main function is to deposit and withdraw money at networked ATMs and bank counters and spend it at networked POS machines.